NPPES file of Aug 9, 2026

Paul Heungchul Chu, D.O.

Family Medicine Physician · Anaheim, CA

Paul Heungchul Chu, D.O. is a family medicine physician with a practice address in Anaheim, California, and NPI 1558699264, issued on Nov 19, 2009. Check the license (California 20A11032, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558699264
Name
Paul Heungchul Chu
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A11032 CA
Self-reported in NPPES; status is on the state search
Practice location
1188 N Euclid St, Anaheim, CA 92801
Phone
(800) 464-4000
Enumerated
Nov 19, 2009
Record last updated
Nov 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20111102000126); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1188 N Euclid St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ryann Ahern, M.D.Internal Medicine Physician1306149166
  2. Syed Ahmed, PHARMDPharmacist1780478875
  3. Eileen Arcebal, M.A., CCC-SLPSpeech-Language Pathologist1295855641
  4. Amalia Arizpe-Fernandez, LMFTProfessional Counselor1205033792
  5. Daniel Arvesen, M.A., LMFTMarriage & Family Therapist1659433860
  6. Gina Bodnar, M.S.Marriage & Family Therapist1558553669

Verify Paul Heungchul Chu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11032
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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15% fewer Medicare Part D claims than the average family medicine physician in 2024

3,008 Medicare Part D claims for 383 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 148 claims were for opioids.

  1. Paul Chu3,008
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium294 claims
  2. Amlodipine Besylate190 claims
  3. Losartan Potassium121 claims
  4. Lisinopril119 claims
  5. Metformin Hcl112 claims
  6. Levothyroxine Sodium104 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupAnaheim, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Paul Heungchul Chu among 17,133 family medicine physician records in California

Paul Heungchul Chu, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.

  • NPI issued2009 · 58% of these records are older, 40% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2008 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

234 family medicine physician records list a practice address in Anaheim

They are 234 of the 9,018 NPPES records with a practice address in Anaheim, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Marcelino Arenas, PA-CAnaheim, CA 928011184622862
  2. Samir Azzam, M.DAnaheim, CA 928011891744538
  3. Hing Be, D.O.Anaheim, CA 928011780623512
  4. Cynthia Haq, MDAnaheim, CA 928011881646917
  5. Maria Elena Hetts, M.D.Anaheim, CA 928011154308773
  6. Diane Jerng, MDAnaheim, CA 928011154321123
  7. Paula Joubert-Greene, MDAnaheim, CA 928011437156056
  8. Mary Therese Kerrigan, M.DAnaheim, CA 928011215920038

Common questions

What is Paul Heungchul Chu, D.O.'s NPI number?

Paul Heungchul Chu, D.O.'s National Provider Identifier (NPI) is 1558699264, issued on Nov 19, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Paul Heungchul Chu, D.O. located?

The NPPES record lists a practice address at 1188 N Euclid St, Anaheim, CA, 92801. Phone: (800) 464-4000. Providers update this record themselves, so call before visiting.

How can I verify Paul Heungchul Chu, D.O.'s license?

NPPES lists California license number 20A11032, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Paul Heungchul Chu, D.O. prescribe under Medicare Part D?

In 2024, Paul Heungchul Chu, D.O. had 3,008 Medicare Part D claims for 383 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.